CN219528015U - Indoor sound absorption and noise reduction device - Google Patents

Abstract

The utility model relates to the technical field of noise reduction devices, and discloses an indoor sound absorption noise reduction device, which comprises a U-shaped plate and a rotating rod, wherein the rotating rod is rotatably arranged in the U-shaped plate, sound absorption cotton is wound on the rod wall of the rotating rod, one end of the sound absorption cotton is fixedly connected with the rotating rod, the other end of the sound absorption cotton is fixedly connected with a vertical rod, the lower end rod wall of the rotating rod is movably sleeved with a first torsion spring, two ends of the first torsion spring are respectively and fixedly connected with the corresponding rotating rod and the U-shaped plate, the upper side of the U-shaped plate is provided with a limiting disc, the upper side of the U-shaped plate is provided with an adjusting mechanism for adjusting the position of the limiting disc, a circular groove is formed in the limiting disc, a rotating ring is sleeved in the circular groove, a unidirectional transmission mechanism is arranged between the limiting disc and the rotating ring, and a fixed rod is fixedly sleeved in the rotating ring. The utility model can adjust the size of the device according to the requirement and is convenient to store after the use is finished.

Description

Indoor sound absorption and noise reduction device

Technical Field

The utility model relates to the technical field of noise reduction devices, in particular to an indoor sound absorption noise reduction device.

Background

In house decoration's in-process also can produce a large amount of noise, and this noise seriously influences the normal life and the rest of neighbor around, consequently at the in-process of interior decoration, need set up the device that can inhale the sound and fall on every side to the wall, the outgoing of noise reduction and the influence that causes the neighbor, current indoor sound absorption noise reduction device is usually fixed great size setting, leads to after using, inconvenient accomodating, very occupation space.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, an indoor sound absorption and noise reduction device is usually fixed in a larger size, so that the indoor sound absorption and noise reduction device is inconvenient to store and occupies a large space after the use is finished.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an indoor sound absorption noise reduction device, includes U template and bull stick, the bull stick rotates and sets up in the inside of U template, the wall winding of bull stick is provided with inhales the sound cotton, inhale the cotton one end of sound and bull stick fixed connection, inhale the cotton other end fixedly connected with montant of sound, the lower extreme wall activity of bull stick has cup jointed first torsional spring, the both ends of first torsional spring respectively with corresponding bull stick and U template fixed connection, the upside of U template is provided with the spacing dish, the upside of U template is provided with the adjustment mechanism who adjusts spacing dish position, the circular slot has been seted up to the inside of spacing dish, the inside of circular slot rotates the cover and is equipped with rotatory ring, be provided with unidirectional transmission mechanism between spacing dish and the rotatory ring, rotatory ring's inside fixed sleeve has the dead lever, the lower extreme fixedly connected with square bar of dead lever, the square slot has been seted up to the upper end of bull stick, the lower extreme and the square slot grafting of square bar.

Preferably, the adjusting mechanism comprises a threaded rod and a sliding block, the two sliding blocks are fixedly arranged on two sides of the limiting disc, one side of the threaded rod is sleeved with threads of the threaded rod in the sliding block, the lower end of the threaded rod is fixedly connected with the U-shaped plate, the other side of the threaded rod is movably sleeved with the limiting rod in the sliding block, and one end of the limiting rod is fixedly connected with the U-shaped plate.

Preferably, the unidirectional transmission mechanism comprises a ratchet tooth, a ratchet tooth groove is formed in the inner wall of the circular groove, a groove is formed in the side wall of the rotary ring, a shaft pin is rotatably arranged in the groove, the ratchet tooth is fixedly sleeved on the rod wall of the shaft pin, the ratchet tooth is connected with the ratchet groove in a meshed mode, a second torsion spring is movably sleeved on the rod wall of the shaft pin, and two ends of the second torsion spring are fixedly connected with the corresponding shaft pin and the inner wall of the groove respectively.

Preferably, the lower ends of the U-shaped plates and the vertical rods are fixedly provided with balancing weights.

Preferably, one side of the ratchet tooth is abutted against the inner wall of the groove.

Preferably, the upper end of the threaded rod is fixedly sleeved with a rotating wheel.

Preferably, the side wall of the rotating wheel is provided with anti-skid grains.

Preferably, the sound absorbing cotton is polyester fiber cotton.

Preferably, an avoidance groove is formed in one side of the U-shaped plate, and the avoidance groove is matched with the balancing weight at the lower end of the vertical rod.

Compared with the prior art, the utility model provides an indoor sound absorption and noise reduction device, which has the following beneficial effects:

1. according to the indoor sound absorption and noise reduction device, the coiled sound absorption cotton can be pulled away by pulling the vertical rods in the direction away from the U-shaped plates, and the size of the device can be adjusted according to requirements;

2. according to the indoor sound absorption and noise reduction device, the sliding block drives the limiting disc to move downwards through rotating the threaded rod, so that the square rod is inserted into the square groove, namely, the rotating rod can be limited and can only rotate towards one side, and therefore, sound absorption cotton can be automatically limited when being pulled to any position and loose;

3. this indoor sound absorption noise reduction device through rotating the threaded rod for spacing dish shifts up, makes square pole and square groove separation, even makes the bull stick lose spacingly, and first torsional spring elasticity can drive the bull stick and rotate and inhale the sound cotton and roll, can be to the device automatic storage promptly, labour saving and time saving.

The device has the advantages that the size of the device can be adjusted according to the requirements, and the device is convenient to store after the use is finished.

Drawings

Fig. 1 is a schematic structural diagram of an indoor sound absorption and noise reduction device according to the present utility model;

FIG. 2 is an enlarged schematic view of the portion A of FIG. 1;

FIG. 3 is a schematic top cross-sectional view of the spacing disc of FIG. 2;

fig. 4 is an enlarged schematic view of the structure of the part B in fig. 3.

In the figure: 1U template, 2 bull stick, 3 inhale the sound cotton, 4 montants, 5 first torsional springs, 6 balancing weights, 7 spacing dish, 8 dead levers, 9 square poles, 10 threaded rods, 11 gag lever posts, 12 sliders, 13 swivel rings, 14 ratchet tooth grooves, 15 pivot pins, 16 ratchet teeth, 17 second torsional springs.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Example 1

Referring to fig. 1-2, an indoor sound absorption and noise reduction device, including U type board 1 and bull stick 2, bull stick 2 rotates the inside that sets up in U type board 1, the pole wall winding of bull stick 2 is provided with inhales sound cotton 3, inhale sound cotton 3 and be polyester fiber cotton, have good sound absorbing performance, inhale the one end and bull stick 2 fixed connection of sound cotton 3's the other end fixedly connected with montant 4,U type board 1 and montant 4's lower extreme is all fixed and is equipped with balancing weight 6, make the device can more stable place, dodge the groove has been seted up to one side of U type board 1, dodge the groove and the balancing weight 6 assorted of montant 4 lower extreme, make balancing weight 6 can insert dodge the inslot, and then the device reduces the space that takes after accomodating, the lower extreme pole wall activity of bull stick 2 has cup jointed first torsional spring 5, the both ends of first torsional spring 5 respectively with corresponding bull stick 2 and U1 fixed connection, the upside of U type board 1 is provided with spacing dish 7, the circular slot has been seted up to the inside of spacing dish 7, the inside rotation cover of circular slot is equipped with rotatory ring 13, the inside fixed cup joint dead lever 8 of rotatory ring 13, square rod 8 has been seted up square bar 9, square rod 9 has been seted up square groove 9.

Example two

Referring to fig. 1-2, the upper side of the U-shaped plate 1 is provided with an adjusting mechanism for adjusting the position of the limiting disc 7, the adjusting mechanism comprises a threaded rod 10 and a sliding block 12, the two sliding blocks 12 are fixedly arranged on two sides of the limiting disc 7, the threaded rod 10 is in threaded sleeve arrangement in the sliding block 12 on one side, the lower end of the threaded rod 10 is fixedly connected with the U-shaped plate 1, a limiting rod 11 is movably sleeved in the sliding block 12 on the other side, one end of the limiting rod 11 is fixedly connected with the U-shaped plate 1, a rotating wheel is fixedly sleeved at the upper end of the threaded rod 10, the threaded rod 10 is conveniently rotated, anti-slip lines are arranged on the side wall of the rotating wheel, friction between hands and the rotating wheel is increased, and slipping is prevented as much as possible when the rotating is performed.

Example III

Referring to fig. 1-4, a unidirectional transmission mechanism is arranged between the limiting disc 7 and the rotary ring 13, the unidirectional transmission mechanism comprises a ratchet tooth 16, a ratchet tooth groove 14 is formed in the inner wall of the circular groove, a groove is formed in the side wall of the rotary ring 13, a shaft pin 15 is rotatably arranged in the groove, the ratchet tooth 16 is fixedly sleeved on the rod wall of the shaft pin 15, the ratchet tooth 16 is meshed with the ratchet tooth groove 14, a second torsion spring 17 is movably sleeved on the rod wall of the shaft pin 15, two ends of the second torsion spring 17 are fixedly connected with the corresponding shaft pin 15 and the inner wall of the groove respectively, one side of the ratchet tooth 16 is in contact with the inner wall of the groove, and the ratchet tooth 16 can only rotate towards one side.

In the utility model, when in use, the sliding block 12 drives the limit disc 7 to move downwards by rotating the threaded rod 10, so that the square rod 9 is inserted into the square groove, although the rotating rod 2 has a rotating trend under the action of the elastic force of the first torsion spring 5, the ratchet teeth 16 and the ratchet teeth grooves 14 are in a meshed state, so that the rotating rod 2 cannot rotate, the sound-absorbing cotton 3 is pulled outwards, namely, the rotating rod 2 rotates towards the other side, at the moment, the ratchet teeth 16 are extruded into the groove, so that smooth rotation can be realized, namely, the rotating rod can be limited unidirectionally, only one side can rotate, therefore, when the sound-absorbing cotton 3 is pulled to any position, the hand can be loosened, the wound sound-absorbing cotton 3 can be automatically limited, the size of the device can be adjusted according to the requirement, after the use is finished, the threaded rod 10 is reversely rotated, the limit disc 7 is moved upwards, the square rod 9 is separated from the square groove, namely, the rotating rod 2 is out of limit, the first torsion spring 5 can drive the rotating rod 2 to rotate to wind the sound-absorbing cotton 3, namely, the device can be automatically stored, and time and labor are saved.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (9)

1. The utility model provides an indoor sound absorption noise reduction device, includes U template (1) and bull stick (2), a serial communication port, bull stick (2) rotate and set up in the inside of U template (1), the pole wall winding of bull stick (2) is provided with inhales sound cotton (3), inhale the one end and bull stick (2) fixed connection of sound cotton (3), inhale the other end fixedly connected with montant (4) of sound cotton (3), the lower extreme pole wall activity of bull stick (2) has cup jointed first torsional spring (5), the both ends of first torsional spring (5) respectively with bull stick (2) and U template (1) fixed connection that correspond, the upside of U template (1) is provided with spacing dish (7), the adjustment mechanism of adjusting the spacing dish (7) position is provided with to the upside of U template (1), round slot has been seted up to the inside of spacing dish (7), the inside rotation cover of round slot is equipped with rotatory ring (13), be provided with unidirectional transmission between spacing dish (7) and rotatory ring (13), the inside fixed rod (8) of rotatory ring (13) have cup jointed square end (9) and square end (9) have, square end (9) have cup jointed.

2. The indoor sound absorption and noise reduction device according to claim 1, wherein the adjusting mechanism comprises a threaded rod (10) and a sliding block (12), the two sliding blocks (12) are fixedly arranged on two sides of the limiting disc (7), the threaded rod (10) is sleeved inside the sliding block (12) on one side, the lower end of the threaded rod (10) is fixedly connected with the U-shaped plate (1), the limiting rod (11) is movably sleeved inside the sliding block (12) on the other side, and one end of the limiting rod (11) is fixedly connected with the U-shaped plate (1).

3. The indoor sound absorption and noise reduction device according to claim 1, wherein the unidirectional transmission mechanism comprises a ratchet tooth (16), a ratchet tooth groove (14) is formed in the inner wall of the round groove, a groove is formed in the side wall of the rotary ring (13), a shaft pin (15) is rotatably arranged in the groove, the ratchet tooth (16) is fixedly sleeved on the rod wall of the shaft pin (15), the ratchet tooth (16) is in meshed connection with the ratchet tooth groove (14), a second torsion spring (17) is movably sleeved on the rod wall of the shaft pin (15), and two ends of the second torsion spring (17) are fixedly connected with the corresponding shaft pin (15) and the inner wall of the groove respectively.

4. The indoor sound absorption and noise reduction device according to claim 1, wherein the lower ends of the U-shaped plate (1) and the vertical rods (4) are fixedly provided with balancing weights (6).

5. A sound absorbing and reducing device in a room according to claim 3, characterized in that one side of the ratchet teeth (16) is in abutment with the inner wall of the recess.

6. An indoor sound absorption and noise reduction device according to claim 2, characterized in that the upper end of the threaded rod (10) is fixedly sleeved with a rotating wheel.

7. The indoor sound absorption and noise reduction device according to claim 6, wherein the side wall of the rotating wheel is provided with anti-slip lines.

8. An indoor sound absorption and noise reduction device according to claim 1, characterized in that the sound absorption cotton (3) is polyester fibre cotton.

9. The indoor sound absorption and noise reduction device according to claim 4, wherein an avoidance groove is formed in one side of the U-shaped plate (1), and the avoidance groove is matched with a balancing weight (6) at the lower end of the vertical rod (4).